149 lines
3.1 KiB
C
149 lines
3.1 KiB
C
|
// SPDX-License-Identifier: GPL-2.0
|
||
|
|
/*
|
||
|
|
* linux/arch/arm/mach-sa1100/pleb.c
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/init.h>
|
||
|
|
#include <linux/kernel.h>
|
||
|
|
#include <linux/tty.h>
|
||
|
|
#include <linux/ioport.h>
|
||
|
|
#include <linux/platform_data/sa11x0-serial.h>
|
||
|
|
#include <linux/platform_device.h>
|
||
|
|
#include <linux/irq.h>
|
||
|
|
#include <linux/io.h>
|
||
|
|
#include <linux/mtd/partitions.h>
|
||
|
|
#include <linux/smc91x.h>
|
||
|
|
|
||
|
|
#include <mach/hardware.h>
|
||
|
|
#include <asm/setup.h>
|
||
|
|
#include <asm/mach-types.h>
|
||
|
|
|
||
|
|
#include <asm/mach/arch.h>
|
||
|
|
#include <asm/mach/map.h>
|
||
|
|
#include <asm/mach/flash.h>
|
||
|
|
#include <mach/irqs.h>
|
||
|
|
|
||
|
|
#include "generic.h"
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Ethernet IRQ mappings
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define PLEB_ETH0_P (0x20000300) /* Ethernet 0 in PCMCIA0 IO */
|
||
|
|
#define PLEB_ETH0_V (0xf6000300)
|
||
|
|
|
||
|
|
#define GPIO_ETH0_IRQ GPIO_GPIO(21)
|
||
|
|
#define GPIO_ETH0_EN GPIO_GPIO(26)
|
||
|
|
|
||
|
|
#define IRQ_GPIO_ETH0_IRQ IRQ_GPIO21
|
||
|
|
|
||
|
|
static struct resource smc91x_resources[] = {
|
||
|
|
[0] = DEFINE_RES_MEM(PLEB_ETH0_P, 0x04000000),
|
||
|
|
#if 0 /* Autoprobe instead, to get rising/falling edge characteristic right */
|
||
|
|
[1] = DEFINE_RES_IRQ(IRQ_GPIO_ETH0_IRQ),
|
||
|
|
#endif
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct smc91x_platdata smc91x_platdata = {
|
||
|
|
.flags = SMC91X_USE_16BIT | SMC91X_USE_8BIT | SMC91X_NOWAIT,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct platform_device smc91x_device = {
|
||
|
|
.name = "smc91x",
|
||
|
|
.id = 0,
|
||
|
|
.num_resources = ARRAY_SIZE(smc91x_resources),
|
||
|
|
.resource = smc91x_resources,
|
||
|
|
.dev = {
|
||
|
|
.platform_data = &smc91x_platdata,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct platform_device *devices[] __initdata = {
|
||
|
|
&smc91x_device,
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Pleb's memory map
|
||
|
|
* has flash memory (typically 4 or 8 meg) selected by
|
||
|
|
* the two SA1100 lowest chip select outputs.
|
||
|
|
*/
|
||
|
|
static struct resource pleb_flash_resources[] = {
|
||
|
|
[0] = DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_8M),
|
||
|
|
[1] = DEFINE_RES_MEM(SA1100_CS1_PHYS, SZ_8M),
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
static struct mtd_partition pleb_partitions[] = {
|
||
|
|
{
|
||
|
|
.name = "blob",
|
||
|
|
.offset = 0,
|
||
|
|
.size = 0x00020000,
|
||
|
|
}, {
|
||
|
|
.name = "kernel",
|
||
|
|
.offset = MTDPART_OFS_APPEND,
|
||
|
|
.size = 0x000e0000,
|
||
|
|
}, {
|
||
|
|
.name = "rootfs",
|
||
|
|
.offset = MTDPART_OFS_APPEND,
|
||
|
|
.size = 0x00300000,
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
static struct flash_platform_data pleb_flash_data = {
|
||
|
|
.map_name = "cfi_probe",
|
||
|
|
.parts = pleb_partitions,
|
||
|
|
.nr_parts = ARRAY_SIZE(pleb_partitions),
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
static void __init pleb_init(void)
|
||
|
|
{
|
||
|
|
sa11x0_register_mtd(&pleb_flash_data, pleb_flash_resources,
|
||
|
|
ARRAY_SIZE(pleb_flash_resources));
|
||
|
|
|
||
|
|
|
||
|
|
platform_add_devices(devices, ARRAY_SIZE(devices));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static void __init pleb_map_io(void)
|
||
|
|
{
|
||
|
|
sa1100_map_io();
|
||
|
|
|
||
|
|
sa1100_register_uart(0, 3);
|
||
|
|
sa1100_register_uart(1, 1);
|
||
|
|
|
||
|
|
GAFR |= (GPIO_UART_TXD | GPIO_UART_RXD);
|
||
|
|
GPDR |= GPIO_UART_TXD;
|
||
|
|
GPDR &= ~GPIO_UART_RXD;
|
||
|
|
PPAR |= PPAR_UPR;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Fix expansion memory timing for network card
|
||
|
|
*/
|
||
|
|
MECR = ((2<<10) | (2<<5) | (2<<0));
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Enable the SMC ethernet controller
|
||
|
|
*/
|
||
|
|
GPDR |= GPIO_ETH0_EN; /* set to output */
|
||
|
|
GPCR = GPIO_ETH0_EN; /* clear MCLK (enable smc) */
|
||
|
|
|
||
|
|
GPDR &= ~GPIO_ETH0_IRQ;
|
||
|
|
|
||
|
|
irq_set_irq_type(GPIO_ETH0_IRQ, IRQ_TYPE_EDGE_FALLING);
|
||
|
|
}
|
||
|
|
|
||
|
|
MACHINE_START(PLEB, "PLEB")
|
||
|
|
.map_io = pleb_map_io,
|
||
|
|
.nr_irqs = SA1100_NR_IRQS,
|
||
|
|
.init_irq = sa1100_init_irq,
|
||
|
|
.init_time = sa1100_timer_init,
|
||
|
|
.init_machine = pleb_init,
|
||
|
|
.init_late = sa11x0_init_late,
|
||
|
|
.restart = sa11x0_restart,
|
||
|
|
MACHINE_END
|